Home / 3,319.76-4,982.72-1,677.46

Finding the Fourth Proportional to 3,319.76, 4,982.72 and 1,677.46

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Solution

The fourth proportional to 3,319.76, 4,982.72 and 1,677.46 is: 2,517.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,319.76 : 4,982.72 = 1,677.46 : x
  2. Step 2: Convert to fraction form
    3,319.76/4,982.72 = 1,677.46/x
  3. Step 3: Cross multiply
    3,319.76x = 4,982.72 × 1,677.46
  4. Step 4: Simplify right side
    3,319.76x = 8,358,311.33
  5. Step 5: Solve for x
    x = 8,358,311.33/3,319.76
  6. Step 6: Final answer
    x = 2,517.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.